Fatal error: Uncaught Error: Class 'Illuminate\Support\Collection' not found in /home/edmedu/www/agentportalservice.com/dev/vendor/maatwebsite/excel/src/Maatwebsite/Excel/Collections/ExcelCollection.php:16 Stack trace: #0 {main} thrown in /home/edmedu/www/agentportalservice.com/dev/vendor/maatwebsite/excel/src/Maatwebsite/Excel/Collections/ExcelCollection.php on line 16